Can you pass this Science quiz?
Erin reads an average of 20 books per year. She read 23, 17, 20, and 19 books in four different years. How many books did Erin read in the 5th year to make it an average of exactly 20.0 per year?
17
20
21
19
Hot Quizzes Trending Now
History
3.11 M Players
Who was elected President of the United States in 1932?
USA
2.2 M Players
Which president is on the 20-dollar ($20) bill?